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Finding the Fourth Proportional to 656,520.68, 984,314.46 and 336,769

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Solution

The fourth proportional to 656,520.68, 984,314.46 and 336,769 is: 504,914.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,520.68 : 984,314.46 = 336,769 : x
  2. Step 2: Convert to fraction form
    656,520.68/984,314.46 = 336,769/x
  3. Step 3: Cross multiply
    656,520.68x = 984,314.46 × 336,769
  4. Step 4: Simplify right side
    656,520.68x = 331,486,596,379.74
  5. Step 5: Solve for x
    x = 331,486,596,379.74/656,520.68
  6. Step 6: Final answer
    x = 504,914.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.